| 摘要 |
PROBLEM TO BE SOLVED: To surely and quickly repair a small dent part made on a metal surface part of e.g. a vehicle body surface of an automobile. SOLUTION: A width line of a suitable length is formed to a surface part of a semitransparent plate 3 arranged with a fluorescent lamp 2 to a rear face part in a lattice shape, by irradiating an objective face with a fluorescent light beam through a semitransparent plate, a lattice width line is reflected, the reflection exhibits an objective dent place in an expanded state so that part of the lattice width line is strained, by pressing the inside of a risually recognized dent place of the objective face with a tip pressing part of a working bar inserted into the inside of the objective face with a grip part, the dent is repaired to a planar shape.
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